Global Patent Index - EP 4040786 A4

EP 4040786 A4 20230906 - SATURATION ENHANCEMENT METHOD AND DEVICE, AND COMPUTER READABLE STORAGE MEDIUM

Title (en)

SATURATION ENHANCEMENT METHOD AND DEVICE, AND COMPUTER READABLE STORAGE MEDIUM

Title (de)

VERFAHREN UND VORRICHTUNG ZUR SÄTTIGUNGSVERBESSERUNG UND COMPUTERLESBARES SPEICHERMEDIUM

Title (fr)

PROCÉDÉ ET DISPOSITIF D'AMÉLIORATION DE SATURATION ET SUPPORT D'ENREGISTREMENT LISIBLE PAR ORDINATEUR

Publication

EP 4040786 A4 20230906 (EN)

Application

EP 20872656 A 20200827

Priority

  • CN 201910948636 A 20190930
  • CN 2020111630 W 20200827

Abstract (en)

[origin: EP4040786A1] Disclosed is a saturation enhancement method, the method comprising: performing color space conversion on an input image to obtain color data of color conversion; performing saturation expansion on the color data of the color conversion to obtain expanded color data; and performing Gamma preprocessing on the expanded color data to obtain processed color data. Also disclosed are a saturation enhancement device and a computer readable storage medium.

IPC 8 full level

H04N 9/67 (2023.01); H04N 9/68 (2023.01); H04N 9/77 (2006.01)

CPC (source: CN EP US)

G06T 5/00 (2013.01 - US); H04N 9/67 (2013.01 - CN EP); H04N 9/68 (2013.01 - CN EP); H04N 9/69 (2013.01 - CN EP); H04N 9/77 (2013.01 - EP); G06T 2207/10024 (2013.01 - US)

Citation (search report)

  • [XAI] US 2011013208 A1 20110120 - BHASKARAN VASUDEV [US], et al
  • [XAI] US 6014457 A 20000111 - KUBO MASAHIKO [JP], et al
  • [A] VARIOUS AUTHORS: "sRGB", WIKIPEDIA, 14 September 2019 (2019-09-14), XP093067383, Retrieved from the Internet <URL:https://en.wikipedia.org/w/index.php?title=SRGB&oldid=915680176> [retrieved on 20230725]
  • [A] VARIOUS AUTHORS: "CIELUV", WIKIPEDIA, 15 July 2019 (2019-07-15), XP093067378, Retrieved from the Internet <URL:https://en.wikipedia.org/w/index.php?title=CIELUV&oldid=906453498> [retrieved on 20230725]
  • See also references of WO 2021063135A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 4040786 A1 20220810; EP 4040786 A4 20230906; CN 111147837 A 20200512; CN 111147837 B 20220301; US 2022358623 A1 20221110; WO 2021063135 A1 20210408

DOCDB simple family (application)

EP 20872656 A 20200827; CN 201910948636 A 20190930; CN 2020111630 W 20200827; US 202017754256 A 20200827